CowCow Technology Hop-Up Chamber for TM G17 AEG Hop-Up Chamber Unique to this hopup design

Unique to this hopup design is a latching system which engages when the magazine is removed to retain the last fed BBs preventing them from falling out like standard hopups

then mount onto the body

Pre-travel screw that allows for fine tuning of the trigger to have a hair trigger setup

Built-in brighter C Tracer unit

CowCow Technology Hop-Up Chamber for TM G17 AEG Hop-Up Chamber Unique to this hopup designTM G17 Gen 4 HopUp Chamber Highlighted features Aluminum 7075 material with CNC machined Ultra lightweight design Enhancing accuracy and consistency with high durability and reliability Redesigned structure to provide extra support to lower part of chamber Able for ultimate user to optimize setting and maintain stability Including stainless steel guide plate For TM G17 Gen4 *PS: Please note: installing parts assemble fitting airsoft gun will need